20843744

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15887}}^1$

素因数の和:15938

約数の個数: 24

約数和(自身を含む): 42039648

約数和(自身を除く): 21195904

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15887, 31774, 63548, 127096, 254192, 508384, 651367, 1302734, 2605468, 5210936, 10421872, 20843744]

約数ペア:

[(1, 20843744), (2, 10421872), (4, 5210936), (8, 2605468), (16, 1302734), (32, 651367), (41, 508384), (82, 254192), (164, 127096), (328, 63548), (656, 31774), (1312, 15887)]